Reproduction in Organisms Quiz

DNA copying is important for reproduction as it ensures that the offspring inherits the genetic information from the parent, maintaining the characteristics of the species.

Variation is beneficial for the species because it enables them to adapt to changing environmental conditions, ensuring the survival of the species. It is not necessary for the individual because it might not be favorable in the existing environment, potentially leading to difficulty in survival.

Binary fission involves a single cell splitting into two equal daughter cells, while multiple fission results in a single cell dividing into numerous daughter cells simultaneously.

<p>Organisms reproducing through spores are benefited as spores can survive harsh conditions, such as extreme temperatures, dryness, and lack of nutrients, ensuring their survival and dispersal to new locations for growth.</p> Signup and view all the answers

<p>The complexity of multicellular organisms, with specialized cells forming tissues and organs in a specific arrangement, makes regeneration of a whole organism from a fragment difficult, as precise growth and differentiation of various cell types is essential for the functional organization of the body.</p> Signup and view all the answers

<p>Vegetative propagation is practiced for growing certain plants because it allows for faster production of plants, maintaining the desirable characteristics of the parent plant, and is often more efficient, especially for plants that produce few viable seeds.</p> Signup and view all the answers

<p>DNA copying is crucial for reproduction because it ensures that the genetic information from the parent is passed on to the offspring, maintaining the continuity of the species and its characteristics.</p> Signup and view all the answers

<p>Pollination is the transfer of pollen grains from the anther to the stigma, while fertilization is the fusion of the male gamete (sperm) with the female gamete (egg).</p> Signup and view all the answers

<p>Seminal vesicles and the prostate gland contribute to the production of semen, which contains fluid that nourishes and helps transport the sperm cells.</p> Signup and view all the answers

<p>Girls undergo significant physical and hormonal changes during puberty, including breast development, widening of hips, growth of pubic hair, and the onset of menstruation.</p> Signup and view all the answers

<p>The embryo receives nourishment from the mother's blood through the placenta, a specialized organ that develops in the uterus during pregnancy.</p> Signup and view all the answers

<p>False</p> Signup and view all the answers